diff --git a/pkgs/desktops/xfce/core/xfce4-settings/default.nix b/pkgs/desktops/xfce/core/xfce4-settings/default.nix
index 91714976f84d..bf003fca5a47 100644
--- a/pkgs/desktops/xfce/core/xfce4-settings/default.nix
+++ b/pkgs/desktops/xfce/core/xfce4-settings/default.nix
@@ -5,9 +5,9 @@
 mkXfceDerivation {
   category = "xfce";
   pname = "xfce4-settings";
-  version = "4.16.2";
+  version = "4.16.5";
 
-  sha256 = "sha256-DkybMfkgsC8fJuhOWLzKO5f2Y8YtqzUXMH/npTv21yY=";
+  sha256 = "sha256-ZVQw/oqN+jCOWj8O+1ldVCvbzY+QcebaQI5oFOdMOew=";
 
   postPatch = ''
     for f in xfsettingsd/pointers.c dialogs/mouse-settings/main.c; do
diff --git a/pkgs/servers/mastodon/source.nix b/pkgs/servers/mastodon/source.nix
index 151782e479fe..07b9dfb521de 100644
--- a/pkgs/servers/mastodon/source.nix
+++ b/pkgs/servers/mastodon/source.nix
@@ -2,8 +2,8 @@
 { fetchgit, applyPatches }: let
   src = fetchgit {
     url = "https://github.com/mastodon/mastodon.git";
-    rev = "v3.5.3";
-    sha256 = "1z0fgyvzz7nlbg2kaxsh53c4bq4y6n5f9r8lyfa7vzvz9nwrkqiq";
+    rev = "v3.5.5";
+    sha256 = "0h7asgyqx79wim1bbrz8r397q0g8r0bjm4in1lia8kgpma4sfp7y";
   };
 in applyPatches {
   inherit src;
diff --git a/pkgs/servers/mastodon/version.nix b/pkgs/servers/mastodon/version.nix
index d23f68c28be8..f0c09a2f3f03 100644
--- a/pkgs/servers/mastodon/version.nix
+++ b/pkgs/servers/mastodon/version.nix
@@ -1 +1 @@
-"3.5.3"
+"3.5.5"